An attempt by Major League Baseball
An attempt by Major League Baseball owners to restrict players' salaries in the mid-1980s. The sharing of potential contract terms by NBA free agents in an effort to help a targeted franchise circumvent the salary cap Price fixing within food manufacturers providing cafeteria food to schools and the military in 1993. Market division and output determination of livestock feed additive, called lysine, by companies in the US, Japan and South Korea in 1996, Archer Daniels Midland being the most notable of these.
Chip dumping in poker
Chip dumping in online hold'em poker or any other high stake card game. There are many ways that implicit collusion tends to develop: The practice of stock analyst conference calls and meetings of industry participants almost necessarily results in tremendous amounts of strategic and price transparency. This allows each firm to see how and why every other firm is pricing their products. If the practice of the industry causes more complicated pricing, which is hard for the consumer to understand (such as risk-based pricing, hidden taxes and fees in the wireless industry, negotiable pricing), this can cause competition based on price to be meaningless (because it would be too complicated to explain to the customer in a short advertisement). This causes industries to have essentially the same prices and compete on advertising and image, something theoretically as damaging to consumers as normal price fixing.